
var cal;

var isFocus=false; //是否为焦点

function SetDate(obj,strFormat)

{

    var date = new Date();

    var by = date.getFullYear()-10; //最小值 → 10 年前

    var ey = date.getFullYear()+10; //最大值 → 10 年后

    //初始化为中文版，1为英文版

    cal = (cal==null) ? new Calendar(by, ey, 0,strFormat) : (cal.dateFormatStyle == strFormat ? cal : new Calendar(by, ey, 0,strFormat));

    cal.show(obj);

}

/**//* 返回日期 */

String.prototype.toDate = function(style){

var y = this.substring(style.indexOf('y'),style.lastIndexOf('y')+1);//年

var m = this.substring(style.indexOf('M'),style.lastIndexOf('M')+1);//月

var d = this.substring(style.indexOf('d'),style.lastIndexOf('d')+1);//日

var h = this.substring(style.indexOf('h'),style.lastIndexOf('h')+1);//时

var i = this.substring(style.indexOf('m'),style.lastIndexOf('m')+1);//分

var s = this.substring(style.indexOf('s'),style.lastIndexOf('s')+1);//秒

if(isNaN(y)) y = new Date().getFullYear();

if(isNaN(m)) m = new Date().getMonth();

if(isNaN(d)) d = new Date().getDate();

if(isNaN(h)) h = new Date().getHours();

if(isNaN(i)) i = new Date().getMinutes();

if(isNaN(s)) s = new Date().getSeconds();

var dt ;

eval ("dt = new Date('"+ y+"', '"+(m-1)+"','"+ d +"','"+ h +"','"+ i+"','"+ s +"')");

return dt;

}

/**//* 格式化日期 */

Date.prototype.format = function(style){

var o = {

    "M+" : this.getMonth() + 1, //month

    "d+" : this.getDate(),      //day

    "h+" : this.getHours(),     //hour

    "m+" : this.getMinutes(),   //minute

    "s+" : this.getSeconds(),   //second

    "w+" : "天一二三四五六".charAt(this.getDay()),   //week

    "q+" : Math.floor((this.getMonth() + 3) / 3), //quarter

    "S" : this.getMilliseconds() //millisecond

}

if(/(y+)/.test(style)){

    style = style.replace(RegExp.$1,

    (this.getFullYear() + "").substr(4 - RegExp.$1.length));

}

for(var k in o){

    if(new RegExp("("+ k +")").test(style)){

      style = style.replace(RegExp.$1,

        RegExp.$1.length == 1 ? o[k] :

        ("00" + o[k]).substr(("" + o[k]).length));

    }

}

return style;

};

/**//*

* 日历类

* @param   beginYear 1990

* @param   endYear   2010

* @param   lang      0(中文)|1(英语) 可自由扩充

* @param   dateFormatStyle "yyyy-MM-dd";

*/

function Calendar(beginYear, endYear, lang, dateFormatStyle){

this.beginYear = 1990;

this.endYear = 2010;

this.lang = 0;            //0(中文) | 1(英文)

this.dateFormatStyle = "yyyy-MM-dd";

if (beginYear != null && endYear != null){

    this.beginYear = beginYear;

    this.endYear = endYear;

}

if (lang != null){

    this.lang = lang

}

if (dateFormatStyle != null){

    this.dateFormatStyle = dateFormatStyle

}

this.dateControl = null;

this.panel = this.getElementById("calendarPanel");

this.container = this.getElementById("ContainerPanel");

this.form = null;

this.date = new Date();

this.year = this.date.getFullYear();

this.month = this.date.getMonth();

this.colors = {

"cur_word"      : "#FFFFFF", //当日日期文字颜色

"cur_bg"        : "#83A6F4", //当日日期单元格背影色

"sel_bg"        : "#FFCCCC", //已被选择的日期单元格背影色

"sun_word"      : "#FF0000", //星期天文字颜色

"sat_word"      : "#0000FF", //星期六文字颜色

"td_word_light" : "#333333", //单元格文字颜色

"td_word_dark" : "#CCCCCC", //单元格文字暗色

"td_bg_out"     : "#EFEFEF", //单元格背影色

"td_bg_over"    : "#FFCC00", //单元格背影色

"tr_word"       : "#FFFFFF", //日历头文字颜色

"tr_bg"         : "#666666", //日历头背影色

"input_border" : "#CCCCCC", //input控件的边框颜色

"input_bg"      : "#EFEFEF"   //input控件的背影色

}

this.draw();

this.bindYear();

this.bindMonth();

this.changeSelect();

this.bindData();

}

/**//*

* 日历类属性（语言包，可自由扩展）

*/

Calendar.language ={

"year"   : [[""], [""]],

"months" : [["一月","二月","三月","四月","五月","六月","七月","八月","九月","十月","十一月","十二月"],

        ["JAN","FEB","MAR","APR","MAY","JUN","JUL","AUG","SEP","OCT","NOV","DEC"]

         ],

"weeks" : [["日","一","二","三","四","五","六"],

        ["SUN","MON","TUR","WED","THU","FRI","SAT"]

         ],

"abort" : [["时间"], ["TIME"]],

"clear" : [["清空"], ["CLS"]],

"today" : [["今天"], ["TODAY"]],

"close" : [["关闭"], ["CLOSE"]]

}

Calendar.prototype.draw = function(){

calendar = this;

var mvAry = [];

mvAry[mvAry.length] = ' <div name="calendarForm" style="margin: 0px;">';

mvAry[mvAry.length] = '    <table width="100%" border="0" cellpadding="0" cellspacing="1">';

mvAry[mvAry.length] = '      <tr>';

mvAry[mvAry.length] = '        <th align="left" width="1%"><input style="border: 1px solid ' + calendar.colors["input_border"] + ';background-color:' + calendar.colors["input_bg"] + ';width:16px;height:20px;" name="prevMonth" type="button" id="prevMonth" value="<" /></th>';

mvAry[mvAry.length] = '        <th align="center" width="98%" nowrap="nowrap"><select name="calendarYear" id="calendarYear" style="font-size:12px;"></select><select name="calendarMonth" id="calendarMonth" style="font-size:12px;"></select></th>';

mvAry[mvAry.length] = '        <th align="right" width="1%"><input style="border: 1px solid ' + calendar.colors["input_border"] + ';background-color:' + calendar.colors["input_bg"] + ';width:16px;height:20px;" name="nextMonth" type="button" id="nextMonth" value=">" /></th>';

mvAry[mvAry.length] = '      </tr>';

mvAry[mvAry.length] = '    </table>';

mvAry[mvAry.length] = '    <table id="calendarTable" width="100%" style="border:0px solid #CCCCCC;background-color:#FFFFFF" border="0" cellpadding="3" cellspacing="1">';

mvAry[mvAry.length] = '      <tr>';

for(var i = 0; i < 7; i++){

    mvAry[mvAry.length] = '      <th style="font-weight:normal;background-color:' + calendar.colors["tr_bg"] + ';color:' + calendar.colors["tr_word"] + ';">' + Calendar.language["weeks"][this.lang][i] + '</th>';

}

mvAry[mvAry.length] = '      </tr>';

for(var i = 0; i < 6;i++){

    mvAry[mvAry.length] = '    <tr align="center">';

    for(var j = 0; j < 7; j++){

      if (j == 0){

        mvAry[mvAry.length] = ' <td style="cursor:default;color:' + calendar.colors["sun_word"] + ';"></td>';

      } else if(j == 6){

        mvAry[mvAry.length] = ' <td style="cursor:default;color:' + calendar.colors["sat_word"] + ';"></td>';

      } else{

        mvAry[mvAry.length] = ' <td style="cursor:default;"></td>';

      }

    }

    mvAry[mvAry.length] = '    </tr>';

}

mvAry[mvAry.length] = '      <tr align="center" style="font-size:12px;">';

mvAry[mvAry.length] = '        <td name="abort" id="abort" colspan="1" style="cursor:default;">' + Calendar.language["abort"][this.lang] + '</td>';

mvAry[mvAry.length] = '        <td colspan="6"><select name="calendarHour" id="calendarHour"></select>';

mvAry[mvAry.length] = ':<select name="calendarMinute" id="calendarMinute"></select>';

mvAry[mvAry.length] = ':<select name="calendarSecond" id="calendarSecond"></select>';

mvAry[mvAry.length] = '      </td></tr>';

mvAry[mvAry.length] = '      <tr style="background-color:' + calendar.colors["input_bg"] + ';">';

mvAry[mvAry.length] = '        <th colspan="2"><input name="calendarClear" type="button" id="calendarClear" value="' + Calendar.language["clear"][this.lang] + '" style="border: 1px solid ' + calendar.colors["input_border"] + ';background-color:' + calendar.colors["input_bg"] + ';width:100%;height:20px;font-size:12px;"/></th>';

mvAry[mvAry.length] = '        <th colspan="3"><input name="calendarToday" type="button" id="calendarToday" value="' + Calendar.language["today"][this.lang] + '" style="border: 1px solid ' + calendar.colors["input_border"] + ';background-color:' + calendar.colors["input_bg"] + ';width:100%;height:20px;font-size:12px;"/></th>';

mvAry[mvAry.length] = '        <th colspan="2"><input name="calendarClose" type="button" id="calendarClose" value="' + Calendar.language["close"][this.lang] + '" style="border: 1px solid ' + calendar.colors["input_border"] + ';background-color:' + calendar.colors["input_bg"] + ';width:100%;height:20px;font-size:12px;"/></th>';

mvAry[mvAry.length] = '      </tr>';

mvAry[mvAry.length] = '    </table>';

mvAry[mvAry.length] = ' </div>';

this.panel.innerHTML = mvAry.join("");

var obj = this.getElementById("prevMonth");

obj.onclick = function (){calendar.goPrevMonth(calendar);}

obj.onblur = function (){calendar.onblur();}

this.prevMonth= obj;

obj = this.getElementById("nextMonth");

obj.onclick = function (){calendar.goNextMonth(calendar);}

obj.onblur = function (){calendar.onblur();}

this.nextMonth= obj;

obj = this.getElementById("calendarClear");

obj.onclick = function (){calendar.dateControl.value = "";calendar.hide();}

this.calendarClear = obj;

obj = this.getElementById("calendarClose");

obj.onclick = function (){calendar.hide();}

this.calendarClose = obj;

obj = this.getElementById("calendarYear");

obj.onchange = function (){calendar.update(calendar);}

obj.onblur = function (){calendar.onblur();}

this.calendarYear = obj;

obj = this.getElementById("calendarMonth");

with(obj)

{

    onchange = function (){calendar.update(calendar);}

    onblur = function (){calendar.onblur();}

}this.calendarMonth = obj;

obj = this.getElementById("calendarHour");

with(obj)

{

    length = 0;

    for (var i = 0; i < 24; i++){

        if(i<10){options[length] = new Option("0"+i,"0"+i);}

        else{options[length] = new Option(i,i);}

    }

}this.calendarHour = obj;

obj = this.getElementById("calendarMinute");

with(obj)

{

    length = 0;

    for (var i = 0; i < 60; i++){

        if(i<10){options[length] = new Option("0"+i,"0"+i);}

        else{options[length] = new Option(i,i);}

    }

}this.calendarMinute = obj;

obj = this.getElementById("calendarSecond");

with(obj)

{

    length = 0;

    for (var i = 0; i < 60; i++){

        if(i<10){options[length] = new Option("0"+i,"0"+i);}

        else{options[length] = new Option(i,i);}

    }

}this.calendarSecond = obj;

obj = this.getElementById("calendarToday");

obj.onclick = function (){

    var today = new Date();

    calendar.date = today;

    calendar.year = today.getFullYear();

    calendar.month = today.getMonth();

    calendar.changeSelect();

    calendar.bindData();

    calendar.dateControl.value = today.format(calendar.dateFormatStyle);

    calendar.hide();

}

this.calendarToday = obj;

}

//年份下拉框绑定数据

Calendar.prototype.bindYear = function(){

var cy = this.calendarYear;

cy.length = 0;

for (var i = this.beginYear; i <= this.endYear; i++){

    cy.options[cy.length] = new Option(i + Calendar.language["year"][this.lang], i);

}

}

//月份下拉框绑定数据

Calendar.prototype.bindMonth = function(){

var cm = this.calendarMonth;

cm.length = 0;

for (var i = 0; i < 12; i++){

    cm.options[cm.length] = new Option(Calendar.language["months"][this.lang][i], i);

}

}

//获取小时的数据

Calendar.prototype.getHour = function(){

return this.calendarHour.options[this.calendarHour.selectedIndex].value;

}

//获取分钟的数据

Calendar.prototype.getMinute = function(){

return this.calendarMinute.options[this.calendarMinute.selectedIndex].value;

}

//获取秒的数据

Calendar.prototype.getSecond = function(){

return this.calendarSecond.options[this.calendarSecond.selectedIndex].value;

}

//向前一月

Calendar.prototype.goPrevMonth = function(e){

if (this.year == this.beginYear && this.month == 0){return;}

this.month--;

if (this.month == -1){

    this.year--;

    this.month = 11;

}

this.date = new Date(this.year, this.month, 1,this.getHour(),this.getMinute(),this.getSecond());

this.changeSelect();

this.bindData();

}

//向后一月

Calendar.prototype.goNextMonth = function(e){

if (this.year == this.endYear && this.month == 11){return;}

this.month++;

if (this.month == 12){

    this.year++;

    this.month = 0;

}

this.date = new Date(this.year, this.month, 1,this.getHour(),this.getMinute(),this.getSecond());

this.changeSelect();

this.bindData();

}

//改变SELECT选中状态

Calendar.prototype.changeSelect = function(){

var cy = this.calendarYear;

var cm = this.calendarMonth;

var ch = this.calendarHour;

var ci = this.calendarMinute;

var cs = this.calendarSecond;

for (var i= 0; i < cy.length; i++){

    if (cy.options[i].value == this.date.getFullYear()){

      cy[i].selected = true;

      break;

    }

}

for (var i= 0; i < cm.length; i++){

    if (cm.options[i].value == this.date.getMonth()){

      cm[i].selected = true;

      break;

    }

}

for (var i= 0; i < ch.length; i++){

    if (ch.options[i].value == this.date.getHours()){

      ch[i].selected = true;

      break;

    }

}

for (var i= 0; i < ci.length; i++){

    if (ci.options[i].value == this.date.getMinutes()){

      ci[i].selected = true;

      break;

    }

}

for (var i= 0; i < cs.length; i++){

    if (cs.options[i].value == this.date.getSeconds()){

      cs[i].selected = true;

      break;

    }

}

}

//更新年、月

Calendar.prototype.update = function (e){

this.year = e.calendarYear.options[e.calendarYear.selectedIndex].value;

this.month = e.calendarMonth.options[e.calendarMonth.selectedIndex].value;

this.date = new Date(this.year, this.month, 1,this.getHour(),this.getMinute(),this.getSecond());

this.changeSelect();

this.bindData();

}

//绑定数据到月视图

Calendar.prototype.bindData = function (){

var calendar = this;

var dateArray = this.getMonthViewArray(this.date.getFullYear(), this.date.getMonth());

var tds = this.getElementById("calendarTable").getElementsByTagName("td");

for(var i = 0; i < tds.length; i++){

tds[i].style.backgroundColor = calendar.colors["td_bg_out"];

    tds[i].onclick = function () {return;}

    tds[i].onmouseover = function () {return;}

    tds[i].onmouseout = function () {return;}

    if (i > dateArray.length - 1) break;

    tds[i].innerHTML = dateArray[i];

    if (dateArray[i] != " "){

      tds[i].onclick = function () {

        if (calendar.dateControl != null){

          calendar.dateControl.value = new Date(calendar.date.getFullYear(),

                                                calendar.date.getMonth(),

                                                this.innerHTML,

                                                calendar.getHour(),

                                                calendar.getMinute(),

                                                calendar.getSecond()).format(calendar.dateFormatStyle);

        }

        calendar.hide();

      }

      tds[i].onmouseover = function () {

        this.style.backgroundColor = calendar.colors["td_bg_over"];

      }

      tds[i].onmouseout = function () {

        this.style.backgroundColor = calendar.colors["td_bg_out"];

      }

      if (new Date().format("yyyy-MM-dd") ==

          new Date(calendar.date.getFullYear(),

                   calendar.date.getMonth(),

                   dateArray[i]).format("yyyy-MM-dd")) {

        tds[i].style.backgroundColor = calendar.colors["cur_bg"];

        tds[i].onmouseover = function () {

          this.style.backgroundColor = calendar.colors["td_bg_over"];

        }

        tds[i].onmouseout = function () {

          this.style.backgroundColor = calendar.colors["cur_bg"];

        }

      }//end if

      

      //设置已被选择的日期单元格背影色

      if (calendar.dateControl != null && calendar.dateControl.value == new Date(calendar.date.getFullYear(),

                   calendar.date.getMonth(),

                   dateArray[i],

                   calendar.getHour(),

                   calendar.getMinute(),

                   calendar.getSecond()).format(calendar.dateFormatStyle)) {

        tds[i].style.backgroundColor = calendar.colors["sel_bg"];

        tds[i].onmouseover = function () {

          this.style.backgroundColor = calendar.colors["td_bg_over"];

        }

        tds[i].onmouseout = function () {

          this.style.backgroundColor = calendar.colors["sel_bg"];

        }

      }

    }

}

}

//根据年、月得到月视图数据(数组形式)

Calendar.prototype.getMonthViewArray = function (y, m) {

var mvArray = [];

var dayOfFirstDay = new Date(y, m, 1).getDay();

var daysOfMonth = new Date(y, m + 1, 0).getDate();

for (var i = 0; i < 42; i++) {

    mvArray[i] = " ";

}

for (var i = 0; i < daysOfMonth; i++){

    mvArray[i + dayOfFirstDay] = i + 1;

}

return mvArray;

}

//扩展 document.getElementById(id) 多浏览器兼容性 from meizz tree source

Calendar.prototype.getElementById = function(id){

if (typeof(id) != "string" || id == "") return null;

if (document.getElementById) return document.getElementById(id);

if (document.all) return document.all(id);

try {return eval(id);} catch(e){ return null;}

}

//扩展 object.getElementsByTagName(tagName)

Calendar.prototype.getElementsByTagName = function(object, tagName){

if (document.getElementsByTagName) return document.getElementsByTagName(tagName);

if (document.all) return document.all.tags(tagName);

}

//取得HTML控件绝对位置

Calendar.prototype.getAbsPoint = function (e){

var x = e.offsetLeft;

var y = e.offsetTop;

while(e = e.offsetParent){

    x += e.offsetLeft;

    y += e.offsetTop;

}

return {"x": x, "y": y};

}

//显示日历

Calendar.prototype.show = function (dateObj, popControl) {

if (dateObj == null){

    throw new Error("arguments[0] is necessary")

}

this.dateControl = dateObj;

this.date = (dateObj.value.length > 0) ? new Date(dateObj.value.toDate(this.dateFormatStyle)) : new Date() ;//若为空则显示当前月份

this.year = this.date.getFullYear();

this.month = this.date.getMonth();

this.changeSelect();

this.bindData();

if (popControl == null){

    popControl = dateObj;

}

var xy = this.getAbsPoint(popControl);

this.panel.style.left = xy.x -25 + "px";

this.panel.style.top = (xy.y + dateObj.offsetHeight) + "px";

this.panel.style.display = "";

this.container.style.display = "";

dateObj.onblur = function(){calendar.onblur();}

this.container.onmouseover = function(){isFocus=true;}

this.container.onmouseout = function(){isFocus=false;}

}

//隐藏日历

Calendar.prototype.hide = function() {

this.panel.style.display = "none";

this.container.style.display = "none";

isFocus=false;

}

//焦点转移时隐藏日历

Calendar.prototype.onblur = function() {

    if(!isFocus){this.hide();}

}

document.write('<div id="ContainerPanel" style="display:none;"><div id="calendarPanel" style="position: absolute;display: none;z-index: 9999;');

document.write('background-color: #FFFFFF;border: 1px solid #CCCCCC;width:175px;font-size:12px;margin-left:25px;"></div>');

if(document.all)

{

document.write('<iframe style="position:absolute;z-index:2000;width:expression(this.previousSibling.offsetWidth);');

document.write('height:expression(this.previousSibling.offsetHeight);');

document.write('left:expression(this.previousSibling.offsetLeft);top:expression(this.previousSibling.offsetTop);');

document.write('display:expression(this.previousSibling.style.display);" scrolling="no" frameborder="no"></iframe>');

}

document.write('</div>');

//-->
